function MM_preloadImages() { //v3.0
  var d=document; if(d.images){ if(!d.MM_p) d.MM_p=new Array();
    var i,j=d.MM_p.length,a=MM_preloadImages.arguments; for(i=0; i<a.length; i++)
    if (a[i].indexOf("#")!=0){ d.MM_p[j]=new Image; d.MM_p[j++].src=a[i];}}
}

function MM_swapImgRestore() { //v3.0
  var i,x,a=document.MM_sr; for(i=0;a&&i<a.length&&(x=a[i])&&x.oSrc;i++) x.src=x.oSrc;
}

function MM_findObj(n, d) { //v4.01
  var p,i,x;  if(!d) d=document; if((p=n.indexOf("?"))>0&&parent.frames.length) {
    d=parent.frames[n.substring(p+1)].document; n=n.substring(0,p);}
  if(!(x=d[n])&&d.all) x=d.all[n]; for (i=0;!x&&i<d.forms.length;i++) x=d.forms[i][n];
  for(i=0;!x&&d.layers&&i<d.layers.length;i++) x=MM_findObj(n,d.layers[i].document);
  if(!x && d.getElementById) x=d.getElementById(n); return x;
}

function MM_swapImage() { //v3.0
  var i,j=0,x,a=MM_swapImage.arguments; document.MM_sr=new Array; for(i=0;i<(a.length-2);i+=3)
   if ((x=MM_findObj(a[i]))!=null){document.MM_sr[j++]=x; if(!x.oSrc) x.oSrc=x.src; x.src=a[i+2];}
}
//-->

// search form in header
	function search_fun()
	{
		if(isBlank(document.search_form.SearchVal.value) || document.search_form.SearchVal.value=='Product Search')
		{
			alert('Please enter a Search Keyword.');
			document.search_form.SearchVal.focus();
		}
		else
		{
			document.search_form.submit();
		}
	}
	
	function s_text_clear()
	{
		document.search_form.SearchVal.value="";
	}
	
	function s_text_print()
	{
		if(document.search_form.SearchVal.value=="")
			document.search_form.SearchVal.value="Product Search";
	}

// email signup in header
function check_mail()
{
	var err_found=false;
	if (isBlank(document.signup_form.EmailAddress.value))
	{
		alert('Please enter email address.');
		document.signup_form.EmailAddress.focus();
		err_found=true;
	}
	else
	{
		if(document.signup_form.EmailAddress.value=="email sign up")
		{
			alert('Please enter email address.');
			text_clear();
			document.signup_form.EmailAddress.focus();
			err_found=true;
		}
		else
		{
			if(!echeck(document.signup_form.EmailAddress.value))
			{
				alert('Please enter a valid email address.');
				document.signup_form.EmailAddress.focus();
				err_found=true;
			}
		}
	}
	
	if(err_found==false)
	{
		document.signup_form.action="emailsignup.php";
		document.signup_form.submit();
	}
}

function text_clear()
{
	if(document.signup_form.EmailAddress.value=="email sign up")
	{
		document.signup_form.EmailAddress.value="";
	}
}

function text_print()
{
	if(document.signup_form.EmailAddress.value=="")
		document.signup_form.EmailAddress.value="email sign up";
}